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"He has got a good attacking game, he's quick, he's agile, he is a player that can create something and one that we are going to have to watch.

"If you kick loosely to him, he could hurt you, so that is not something we want to be doing."

Meanwhile, Halfpenny is keen to continue improving after his impressive form last season when he was player of the series when the British and Irish Lions beat Australia, 2013 Six Nations player of the tournament and recognised in several award ceremonies.

"I couldn't ever have dreamt of a year like it," Halfpenny added. "I am trying to maintain those standards that I set myself.

"As a player, you are always putting pressure on yourself to be the best player you can be. Ultimately, you are trying to do a job for your team and for the team to be successful."